US STOCKS-Wall St opens higher after two days of losses
* April retail sales unchanged from March
* Import prices fall for 10th straight month
* Macy's, Ralph Lauren down after results
* DuPont falls despite winning proxy fight with Peltz
* Indexes up: Dow 0.1 pct, S&P 0.3 pct, Nasdaq 0.5 pct (Updates to open)
By Tanya Agrawal
May 13 (Reuters) - U.S. stocks opened higher on Wednesday as data suggested that the economy was not rebounding strongly enough for the Federal Reserve to raise interest rates before September.
U.S. retail sales were unchanged in April as households cut back on purchases of automobiles and other big-ticket items.
Import prices fell for a 10th straight month in April, while weekly applications for home mortgages were down as interest rates rose to the highest level since March. Continuación...